287937160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:527

約数の個数: 128

約数和(自身を含む): 790352640

約数和(自身を除く): 502415480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 241, 251, 280, 340, 476, 482, 502, 595, 680, 952, 964, 1004, 1190, 1205, 1255, 1687, 1757, 1928, 2008, 2380, 2410, 2510, 3374, 3514, 4097, 4267, 4760, 4820, 5020, 6748, 7028, 8194, 8435, 8534, 8785, 9640, 10040, 13496, 14056, 16388, 16870, 17068, 17570, 20485, 21335, 28679, 29869, 32776, 33740, 34136, 35140, 40970, 42670, 57358, 59738, 60491, 67480, 70280, 81940, 85340, 114716, 119476, 120982, 143395, 149345, 163880, 170680, 229432, 238952, 241964, 286790, 298690, 302455, 423437, 483928, 573580, 597380, 604910, 846874, 1028347, 1147160, 1194760, 1209820, 1693748, 2056694, 2117185, 2419640, 3387496, 4113388, 4234370, 5141735, 7198429, 8226776, 8468740, 10283470, 14396858, 16937480, 20566940, 28793716, 35992145, 41133880, 57587432, 71984290, 143968580, 287937160]

約数ペア:

[(1, 287937160), (2, 143968580), (4, 71984290), (5, 57587432), (7, 41133880), (8, 35992145), (10, 28793716), (14, 20566940), (17, 16937480), (20, 14396858), (28, 10283470), (34, 8468740), (35, 8226776), (40, 7198429), (56, 5141735), (68, 4234370), (70, 4113388), (85, 3387496), (119, 2419640), (136, 2117185), (140, 2056694), (170, 1693748), (238, 1209820), (241, 1194760), (251, 1147160), (280, 1028347), (340, 846874), (476, 604910), (482, 597380), (502, 573580), (595, 483928), (680, 423437), (952, 302455), (964, 298690), (1004, 286790), (1190, 241964), (1205, 238952), (1255, 229432), (1687, 170680), (1757, 163880), (1928, 149345), (2008, 143395), (2380, 120982), (2410, 119476), (2510, 114716), (3374, 85340), (3514, 81940), (4097, 70280), (4267, 67480), (4760, 60491), (4820, 59738), (5020, 57358), (6748, 42670), (7028, 40970), (8194, 35140), (8435, 34136), (8534, 33740), (8785, 32776), (9640, 29869), (10040, 28679), (13496, 21335), (14056, 20485), (16388, 17570), (16870, 17068)]